... 18, 20, and 24 threads per inch #3 Thread file pitches:9, 10, 12, 16, 20, ... both left and right handed thread.42Pcs UNC UNF & Metric Thread Restorer Kit Contain: seven UNC ... , seven UNF and seven metric rethreaded dies, six UNC, six UNF and seven metric rethreaded taps ... , one UNF and UNC thread file and one metric thread file.Our service: ...